Petition · Bose change and take down the 4.5.2 and 3.0.3 firmware for QC35 and QC35II · Change.org
Who really owns your Bose QC35 headphones? - The Road to Silicon Valley
Bose Now Lets You Downgrade Firmware of QC 35 If You're Facing ANC Issues | Beebom
Srikanth Srinivasan on Twitter: "Better cancel the product - Your latest firmware @ 2.5.1 has totally broken the ANC. And the Bose community forum is flooded with complaints. People attempting to downgrade
How to downgrade your Bose QuietComfort 35 II from 4.5.2 to 3.1.8 : r/bose
Bose Lets Users Downgrade QC35 Firmware After Months of Complaints | Gizmodo.co.uk : r/bose